M

ViewPlan.GetUnderlayBaseLevel

Description:
Returns the element id of the level that defines the bottom of the underlay range.

public ElementId GetUnderlayBaseLevel()

Public Function GetUnderlayBaseLevel As ElementId

public:
ElementId^ GetUnderlayBaseLevel()

ElementId If InvalidElementId is returned, then the underlay base level is not set and no elements will be displayed as underlay.

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Syntax